Execution Chart

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Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r147-tall-174876819900414.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2025-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
.........................................................................................................................
=====================================================================
Generated by BenchKit 2-5832
Executing tool itstools
Input is PGCD-COL-D02N100, examination is Liveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r147-tall-174876819900414
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 424K
-rw-r--r-- 1 mcc users 6.7K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 74K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.8K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 59K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.4K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 7.3K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 73K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.7K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 85K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 May 29 14:32 equiv_pt
-rw-r--r-- 1 mcc users 8 May 29 14:32 instance
-rw-r--r-- 1 mcc users 5 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 11K May 29 14:32 model.pnml

--------------------
content from stdout:

=== Data for post analysis generated by BenchKit (invocation template)

The expected result is a vector of booleans
BOOL_VECTOR

FORMULA_NAME Liveness

=== Now, execution of the tool begins

BK_START 1748813779279

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=Liveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=PGCD-COL-D02N100
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is COL
Liveness COL
Running Version 202505121319
[2025-06-01 21:36:20] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, Liveness, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 1800]
[2025-06-01 21:36:20] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-01 21:36:20] [INFO ] Detected file is not PT type :http://www.pnml.org/version-2009/grammar/symmetricnet
log4j:WARN No appenders could be found for logger (org.apache.axiom.locator.DefaultOMMetaFactoryLocator).
log4j:WARN Please initialize the log4j system properly.
log4j:WARN See http://logging.apache.org/log4j/1.2/faq.html#noconfig for more info.
[2025-06-01 21:36:20] [WARNING] Using fallBack plugin, rng conformance not checked
[2025-06-01 21:36:21] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 501 ms
[2025-06-01 21:36:21] [INFO ] Imported 3 HL places and 3 HL transitions for a total of 9 PT places and 9.0 transition bindings in 15 ms.
[2025-06-01 21:36:21] [INFO ] Built PT skeleton of HLPN with 3 places and 3 transitions 14 arcs in 6 ms.
[2025-06-01 21:36:21] [INFO ] Skeletonized 0 HLPN properties in 0 ms.
[2025-06-01 21:36:21] [INFO ] Unfolded HLPN to a Petri net with 9 places and 9 transitions 42 arcs in 9 ms.
[2025-06-01 21:36:21] [INFO ] Unfolded 0 HLPN properties in 0 ms.
[2025-06-01 21:36:21] [INFO ] Unfolded HLPN to a Petri net with 9 places and 9 transitions 42 arcs in 1 ms.
[2025-06-01 21:36:21] [INFO ] Unfolded 3 HLPN properties in 0 ms.
[2025-06-01 21:36:21] [INFO ] Built PT skeleton of HLPN with 3 places and 3 transitions 14 arcs in 0 ms.
[2025-06-01 21:36:21] [INFO ] Skeletonized 3 HLPN properties in 0 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Prefix of Interest using HLPN skeleton for deadlock discarded 0 places and 0 transitions.
Arc [1:1*[(MOD (ADD $x 1) 3)]] contains successor/predecessor on variables of sort CD
[2025-06-01 21:36:21] [INFO ] Unfolded HLPN to a Petri net with 9 places and 9 transitions 42 arcs in 7 ms.
[2025-06-01 21:36:21] [INFO ] Unfolded 3 HLPN properties in 0 ms.
Built sparse matrix representations for Structural reductions in 0 ms.12791KB memory used
Starting structural reductions in DEADLOCK mode, iteration 0 : 9/9 places, 9/9 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Applied a total of 0 rules in 9 ms. Remains 9 /9 variables (removed 0) and now considering 9/9 (removed 0) transitions.
Running 3 sub problems to find dead transitions.
// Phase 1: matrix 9 rows 9 cols
[2025-06-01 21:36:21] [INFO ] Computed 4 invariants in 5 ms
[2025-06-01 21:36:21] [INFO ] State equation strengthened by 3 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/6 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (OVERLAPS) 3/9 variables, 2/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/9 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (OVERLAPS) 9/18 variables, 9/13 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/18 variables, 3/16 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/18 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (OVERLAPS) 0/18 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 18/18 variables, and 16 constraints, problems are : Problem set: 0 solved, 3 unsolved in 210 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 9/9 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/6 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (OVERLAPS) 3/9 variables, 2/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/9 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (OVERLAPS) 9/18 variables, 9/13 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/18 variables, 3/16 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/18 variables, 3/19 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/18 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (OVERLAPS) 0/18 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 18/18 variables, and 19 constraints, problems are : Problem set: 0 solved, 3 unsolved in 91 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 9/9 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 332ms problems are : Problem set: 0 solved, 3 unsolved
Search for dead transitions found 0 dead transitions in 344ms
Finished structural reductions in DEADLOCK mode , in 1 iterations and 389 ms. Remains : 9/9 places, 9/9 transitions.
Starting structural reductions in DEADLOCK mode, iteration 0 : 9/9 places, 9/9 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Applied a total of 0 rules in 1 ms. Remains 9 /9 variables (removed 0) and now considering 9/9 (removed 0) transitions.
[2025-06-01 21:36:21] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 21:36:21] [INFO ] Implicit Places using invariants in 32 ms returned []
[2025-06-01 21:36:21] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 21:36:21] [INFO ] State equation strengthened by 3 read => feed constraints.
[2025-06-01 21:36:21] [INFO ] Implicit Places using invariants and state equation in 24 ms returned []
Implicit Place search using SMT with State Equation took 61 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 21:36:21] [INFO ] Redundant transitions in 0 ms returned []
Running 3 sub problems to find dead transitions.
[2025-06-01 21:36:21] [INFO ] Invariant cache hit.
[2025-06-01 21:36:21] [INFO ] State equation strengthened by 3 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/6 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (OVERLAPS) 3/9 variables, 2/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/9 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (OVERLAPS) 9/18 variables, 9/13 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/18 variables, 3/16 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/18 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (OVERLAPS) 0/18 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 18/18 variables, and 16 constraints, problems are : Problem set: 0 solved, 3 unsolved in 82 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 9/9 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/6 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (OVERLAPS) 3/9 variables, 2/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/9 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (OVERLAPS) 9/18 variables, 9/13 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/18 variables, 3/16 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/18 variables, 3/19 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/18 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (OVERLAPS) 0/18 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 18/18 variables, and 19 constraints, problems are : Problem set: 0 solved, 3 unsolved in 87 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 9/9 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 176ms problems are : Problem set: 0 solved, 3 unsolved
Search for dead transitions found 0 dead transitions in 176ms
Finished structural reductions in DEADLOCK mode , in 1 iterations and 250 ms. Remains : 9/9 places, 9/9 transitions.
Random walk for 1250058 steps, including 0 resets, run took 278 ms (no deadlock found). (steps per millisecond=4496 )
Random directed walk for 1250073 steps, including 0 resets, run took 183 ms (no deadlock found). (steps per millisecond=6831 )
[2025-06-01 21:36:22] [INFO ] Invariant cache hit.
Starting Z3 with timeout 300.0 s and query timeout 30000.0 ms
[2025-06-01 21:36:22] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-01 21:36:22] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 4 ms returned sat
[2025-06-01 21:36:22] [INFO ] [Real]Absence check using state equation in 3 ms returned sat
[2025-06-01 21:36:22] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 300.0 s and query timeout 30000.0 ms
[2025-06-01 21:36:22] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-01 21:36:22] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 2 ms returned sat
[2025-06-01 21:36:22] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2025-06-01 21:36:22] [INFO ] State equation strengthened by 3 read => feed constraints.
[2025-06-01 21:36:22] [INFO ] [Nat]Added 3 Read/Feed constraints in 1 ms returned sat
[2025-06-01 21:36:22] [INFO ] Computed and/alt/rep : 3/6/3 causal constraints (skipped 0 transitions) in 1 ms.
[2025-06-01 21:36:22] [INFO ] Added : 1 causal constraints over 1 iterations in 26 ms. Result :sat
Parikh directed walk for 15900 steps, including 242 resets, run took 22 ms. (steps per millisecond=722 )
Random directed walk for 500008 steps, including 0 resets, run took 83 ms (no deadlock found). (steps per millisecond=6024 )
Random walk for 500074 steps, including 0 resets, run took 71 ms (no deadlock found). (steps per millisecond=7043 )
Random directed walk for 500022 steps, including 0 resets, run took 71 ms (no deadlock found). (steps per millisecond=7042 )
Random walk for 500006 steps, including 0 resets, run took 76 ms (no deadlock found). (steps per millisecond=6579 )
Starting structural reductions in DEADLOCK mode, iteration 0 : 9/9 places, 9/9 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Applied a total of 0 rules in 2 ms. Remains 9 /9 variables (removed 0) and now considering 9/9 (removed 0) transitions.
[2025-06-01 21:36:22] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 21:36:22] [INFO ] Implicit Places using invariants in 25 ms returned []
[2025-06-01 21:36:22] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 21:36:22] [INFO ] State equation strengthened by 3 read => feed constraints.
[2025-06-01 21:36:22] [INFO ] Implicit Places using invariants and state equation in 28 ms returned []
Implicit Place search using SMT with State Equation took 56 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 21:36:22] [INFO ] Redundant transitions in 1 ms returned []
Running 3 sub problems to find dead transitions.
[2025-06-01 21:36:22] [INFO ] Invariant cache hit.
[2025-06-01 21:36:22] [INFO ] State equation strengthened by 3 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/6 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (OVERLAPS) 3/9 variables, 2/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/9 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (OVERLAPS) 9/18 variables, 9/13 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/18 variables, 3/16 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/18 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (OVERLAPS) 0/18 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 18/18 variables, and 16 constraints, problems are : Problem set: 0 solved, 3 unsolved in 54 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 9/9 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/6 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (OVERLAPS) 3/9 variables, 2/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/9 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (OVERLAPS) 9/18 variables, 9/13 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/18 variables, 3/16 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/18 variables, 3/19 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/18 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (OVERLAPS) 0/18 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 18/18 variables, and 19 constraints, problems are : Problem set: 0 solved, 3 unsolved in 62 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 9/9 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 137ms problems are : Problem set: 0 solved, 3 unsolved
Search for dead transitions found 0 dead transitions in 137ms
Finished structural reductions in DEADLOCK mode , in 1 iterations and 204 ms. Remains : 9/9 places, 9/9 transitions.
Random walk for 1250025 steps, including 0 resets, run took 170 ms (no deadlock found). (steps per millisecond=7353 )
Random directed walk for 1250110 steps, including 0 resets, run took 176 ms (no deadlock found). (steps per millisecond=7102 )
[2025-06-01 21:36:23] [INFO ] Invariant cache hit.
Starting Z3 with timeout 300.0 s and query timeout 30000.0 ms
[2025-06-01 21:36:23] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-01 21:36:23] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2025-06-01 21:36:23] [INFO ] [Real]Absence check using state equation in 4 ms returned sat
[2025-06-01 21:36:23] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 300.0 s and query timeout 30000.0 ms
[2025-06-01 21:36:23] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-01 21:36:23] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 2 ms returned sat
[2025-06-01 21:36:23] [INFO ] [Nat]Absence check using state equation in 5 ms returned sat
[2025-06-01 21:36:23] [INFO ] State equation strengthened by 3 read => feed constraints.
[2025-06-01 21:36:23] [INFO ] [Nat]Added 3 Read/Feed constraints in 1 ms returned sat
[2025-06-01 21:36:23] [INFO ] Computed and/alt/rep : 3/6/3 causal constraints (skipped 0 transitions) in 0 ms.
[2025-06-01 21:36:23] [INFO ] Added : 1 causal constraints over 1 iterations in 4 ms. Result :sat
Parikh directed walk for 15900 steps, including 234 resets, run took 17 ms. (steps per millisecond=935 )
Random directed walk for 500057 steps, including 0 resets, run took 71 ms (no deadlock found). (steps per millisecond=7043 )
Random walk for 500087 steps, including 0 resets, run took 62 ms (no deadlock found). (steps per millisecond=8065 )
Random directed walk for 500089 steps, including 0 resets, run took 66 ms (no deadlock found). (steps per millisecond=7577 )
Random walk for 500009 steps, including 0 resets, run took 61 ms (no deadlock found). (steps per millisecond=8196 )
[2025-06-01 21:36:23] [INFO ] Flatten gal took : 12 ms
[2025-06-01 21:36:23] [INFO ] Unfolded HLPN to a Petri net with 9 places and 9 transitions 42 arcs in 1 ms.
[2025-06-01 21:36:23] [INFO ] Unfolded 3 HLPN properties in 0 ms.
Initial state reduction rules removed 2 formulas.
[2025-06-01 21:36:23] [INFO ] Flatten gal took : 2 ms
RANDOM walk for 309 steps (0 resets) in 4 ms. (61 steps per ms) remains 0/1 properties
[2025-06-01 21:36:23] [INFO ] Flatten gal took : 3 ms
[2025-06-01 21:36:23] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality10313928954603149106.gal : 3 ms
[2025-06-01 21:36:23] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality2961745177943774407.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality10313928954603149106.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality2961745177943774407.prop' '--nowitness' '--gen-order' 'FOLLOW'

ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Able to resolve query QuasiLiveness after proving 3 properties.
Net is quasi-live, checking if it is reversible to establish liveness.
[2025-06-01 21:36:23] [INFO ] Flatten gal took : 2 ms
[2025-06-01 21:36:23] [INFO ] Flatten gal took : 2 ms
[2025-06-01 21:36:23] [INFO ] Time to serialize gal into /tmp/CTLFireability17251944246633422807.gal : 0 ms
[2025-06-01 21:36:23] [INFO ] Time to serialize properties into /tmp/CTLFireability6626942223483941596.ctl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability17251944246633422807.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability6626942223483941596.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...284
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Detected timeout of ITS tools.
[2025-06-01 21:36:26] [INFO ] Flatten gal took : 3 ms
[2025-06-01 21:36:26] [INFO ] Applying decomposition
[2025-06-01 21:36:26] [INFO ] Flatten gal took : 2 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph10580015595947664789.txt' '-o' '/tmp/graph10580015595947664789.bin' '-w' '/tmp/graph10580015595947664789.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph10580015595947664789.bin' '-l' '-1' '-v' '-w' '/tmp/graph10580015595947664789.weights' '-q' '0' '-e' '0.001'
[2025-06-01 21:36:26] [INFO ] Decomposing Gal with order
[2025-06-01 21:36:26] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-01 21:36:26] [INFO ] Flatten gal took : 11 ms
[2025-06-01 21:36:26] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 0 ms.
[2025-06-01 21:36:26] [INFO ] Time to serialize gal into /tmp/CTLFireability3527642379641641587.gal : 1 ms
[2025-06-01 21:36:26] [INFO ] Time to serialize properties into /tmp/CTLFireability17037779755147778036.ctl : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability3527642379641641587.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability17037779755147778036.ctl'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...263
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Detected timeout of ITS tools.
[2025-06-01 21:36:29] [INFO ] Flatten gal took : 1 ms
[2025-06-01 21:36:29] [INFO ] Flatten gal took : 1 ms
[2025-06-01 21:36:29] [INFO ] Time to serialize gal into /tmp/CTLFireability12303398294128621876.gal : 1 ms
[2025-06-01 21:36:29] [INFO ] Time to serialize properties into /tmp/CTLFireability4701750097587494336.ctl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability12303398294128621876.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability4701750097587494336.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...284
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Detected timeout of ITS tools.
[2025-06-01 21:36:59] [INFO ] Flatten gal took : 4 ms
[2025-06-01 21:36:59] [INFO ] Applying decomposition
[2025-06-01 21:36:59] [INFO ] Flatten gal took : 1 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph9712669711578770419.txt' '-o' '/tmp/graph9712669711578770419.bin' '-w' '/tmp/graph9712669711578770419.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph9712669711578770419.bin' '-l' '-1' '-v' '-w' '/tmp/graph9712669711578770419.weights' '-q' '0' '-e' '0.001'
[2025-06-01 21:37:00] [INFO ] Decomposing Gal with order
[2025-06-01 21:37:00] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-01 21:37:00] [INFO ] Flatten gal took : 1 ms
[2025-06-01 21:37:00] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 0 ms.
[2025-06-01 21:37:00] [INFO ] Time to serialize gal into /tmp/CTLFireability17740920017153664912.gal : 1 ms
[2025-06-01 21:37:00] [INFO ] Time to serialize properties into /tmp/CTLFireability16087012235036294677.ctl : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability17740920017153664912.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability16087012235036294677.ctl'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...264
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Detected timeout of ITS tools.
[2025-06-01 21:37:30] [INFO ] Flatten gal took : 3 ms
[2025-06-01 21:37:30] [INFO ] Flatten gal took : 2 ms
[2025-06-01 21:37:30] [INFO ] Time to serialize gal into /tmp/CTLFireability5059686678118004832.gal : 1 ms
[2025-06-01 21:37:30] [INFO ] Time to serialize properties into /tmp/CTLFireability5227477533401577129.ctl : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability5059686678118004832.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability5227477533401577129.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...283
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Detected timeout of ITS tools.
[2025-06-01 21:42:30] [INFO ] Flatten gal took : 2 ms
[2025-06-01 21:42:30] [INFO ] Applying decomposition
[2025-06-01 21:42:30] [INFO ] Flatten gal took : 1 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph6443702959695354005.txt' '-o' '/tmp/graph6443702959695354005.bin' '-w' '/tmp/graph6443702959695354005.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph6443702959695354005.bin' '-l' '-1' '-v' '-w' '/tmp/graph6443702959695354005.weights' '-q' '0' '-e' '0.001'
[2025-06-01 21:42:30] [INFO ] Decomposing Gal with order
[2025-06-01 21:42:30] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-01 21:42:30] [INFO ] Flatten gal took : 1 ms
[2025-06-01 21:42:30] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 0 ms.
[2025-06-01 21:42:30] [INFO ] Time to serialize gal into /tmp/CTLFireability13034593813970529373.gal : 1 ms
[2025-06-01 21:42:30] [INFO ] Time to serialize properties into /tmp/CTLFireability16244149984371612843.ctl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability13034593813970529373.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability16244149984371612843.ctl'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...264
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Detected timeout of ITS tools.
[2025-06-01 21:47:30] [INFO ] Flatten gal took : 2 ms
[2025-06-01 21:47:30] [INFO ] Flatten gal took : 1 ms
[2025-06-01 21:47:30] [INFO ] Time to serialize gal into /tmp/CTLFireability15750042724306675924.gal : 1 ms
[2025-06-01 21:47:30] [INFO ] Time to serialize properties into /tmp/CTLFireability8329415607708995331.ctl : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability15750042724306675924.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability8329415607708995331.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...284
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,5.58817e+09,384.958,2245452,2,95078,5,5.71497e+06,6,0,57,5.71558e+06,0


Converting to forward existential form...Done !
original formula: AG(EF((((((p0_0==1)&&(p0_1==1))&&((p0_2==1)&&(p1_0==100)))&&(((p1_1==100)&&(p1_2==100))&&((p2_0==1)&&(p2_1==1))))&&(p2_2==1))))
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(E(TRUE U (((((p0_0==1)&&(p0_1==1))&&((p0_2==1)&&(p1_0==100)))&&(((p1_1==100)&&(p1_2==100))...205
Reverse transition relation is NOT exact ! Due to transitions Ax0, Ax1, Ax2, Intersection with reachable at each step enabled. (destroyed/reverse/intersec...172

BK_TIME_CONFINEMENT_REACHED

--------------------
content from stderr:

+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ Liveness = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution Liveness -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202505121319.jar
+ VERSION=202505121319
+ echo 'Running Version 202505121319'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination Liveness -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800

Sequence of Actions to be Executed by the VM

This is useful if one wants to reexecute the tool in the VM from the submitted image disk.

set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="PGCD-COL-D02N100"
export BK_EXAMINATION="Liveness"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="1800"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

# remove the execution directoty if it exists (to avoid increse of .vmdk images)
if [ -d execution ] ; then
rm -rf execution
fi

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5832"
echo " Executing tool itstools"
echo " Input is PGCD-COL-D02N100, examination is Liveness"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r147-tall-174876819900414"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/PGCD-COL-D02N100.tgz
mv PGCD-COL-D02N100 execution
cd execution
if [ "Liveness" = "ReachabilityDeadlock" ] || [ "Liveness" = "UpperBounds" ] || [ "Liveness" = "QuasiLiveness" ] || [ "Liveness" = "StableMarking" ] || [ "Liveness" = "Liveness" ] || [ "Liveness" = "OneSafe" ] || [ "Liveness" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh

echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "Liveness" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "Liveness" != "StateSpace" ] ; then
echo "The expected result is a vector of booleans"
echo BOOL_VECTOR
else
echo "no data necessary for post analysis"
fi
echo
if [ -f "Liveness.xml" ] ; then # for cunf (txt files deleted;-)
echo echo "here is the order used to build the result vector(from xml file)"
for x in $(grep '' Liveness.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "Liveness" = "ReachabilityDeadlock" ] || [ "Liveness" = "QuasiLiveness" ] || [ "Liveness" = "StableMarking" ] || [ "Liveness" = "Liveness" ] || [ "Liveness" = "OneSafe" ] ; then
echo "FORMULA_NAME Liveness"
fi
echo
echo "=== Now, execution of the tool begins"
echo
echo -n "BK_START "
date -u +%s%3N
echo
timeout -s 9 $BK_TIME_CONFINEMENT bash -c "/home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n \"BK_STOP \" ; date -u +%s%3N"
if [ $? -eq 137 ] ; then
echo
echo "BK_TIME_CONFINEMENT_REACHED"
fi
echo
echo "--------------------"
echo "content from stderr:"
echo
cat STDERR ;